KR20110131528A - The making method of a gravure roll which is used at a heating sheet printing - Google Patents

Abstract

PURPOSE: A method of manufacturing a roll for printing gravure used for printing on a heating sheet is provided to reduce a manufacturing time since a heating unit and an electrode unit, which have different sizes and depth, are printed by one printing process. CONSTITUTION: A method of manufacturing a roll for printing gravure used for printing on a heating sheet comprises next steps. The method comprises steps of coating copper(S1), printing, transferring(S2), corroding(S20), and coating chrome(S3). The designed formed at the printing step comprises an electrode unit and a heating unit. Power supplied from the outside stably flows in the electrode unit. The heating unit receives electricity flowing in the electrode unit and radiates heat. The electrode unit and the heating unit consist of a plurality of gravure cells with different sizes.

Description

The manufacturing method of a gravure roll which is used at a heating sheet printing}

The present invention relates to a method for manufacturing a gravure printing roll used for heating sheet printing, and more particularly, 120 to 170 gravure cells inside a square having a length and width of 1 inch by two corrosion processes on one printing roll surface. Is formed to form a heating unit having a predetermined depth and 50 to 100 gravure cells inside the square of 1 inch in width and length to form an electrode portion having a somewhat deeper depth than the gravure cells of the heating portion, different sizes and depths The heating part and the electrode part are printed in one printing process to reduce the manufacturing time, and the manufacturing method is simple to improve the product's price competitiveness, and the electrode part and the heating part are precisely connected to each other for smooth current flow. Gravure printing used to heat sheet printing to maintain high quality products It relates to a method for producing a roll for melting.

In general, the production of a printing roll used for gravure printing is made of a plated copper plate layer (plate material) on the surface of a metal hollow roll such as aluminum or iron, and a plurality of fine gravures according to the plate making information by etching the copper plated layer. To form a wire part consisting of a cell (a container containing ink), and then to form a hard chromium layer by chromium plating in order to increase the crushing force of the gravure printing roll to print as a surface-reinforced coating layer Production of a roll (production of a plate surface) is completed.

Usually, the wire part formed on the surface of the gravure printing roll is composed of only a plurality of gravure cells having the same size and depth, and for this reason, it is composed of an electrode part and a heating part printed by each printing roll made of gravure cells having different sizes and depths. At the time of forming the heating sheet, a primary printing process is performed by using a printing roll having a line portion having a shape of an electrode portion (50 to 100 gravure cells are formed inside a square having a length and a length of 1 inch) on a surface thereof. In the manufacturing of the heating sheet by performing a second printing process using a printing roll having a line portion having a shape of a heat generating portion (120 to 170 gravure cells formed inside a square having a length and length of 1 inch) on a surface thereof. The time required is long, the manufacturing method is complicated, there is a problem that the price competitiveness of the product is lowered.

In addition, since the electrode part and the heat generating part are divided into two printing processes through two gravure printing rolls, the electrode part and the heating part requiring precision printing may not be connected precisely to each other and a short circuit or disconnection may occur. In addition, the quality of the product is often lowered, and the short circuit of the electrode part and the heating part prevents a smooth current flow, resulting in a spark or burning at the intersection of the electrode part and the heating part, resulting in a safety accident. There was this.

In order to solve the above-described problems, a situation for developing and researching a gravure printing roll used for printing a heating sheet is required.

The present invention has been proposed to solve the above-mentioned problems, the object is that 120 to 170 gravure cells are formed inside a square of 1 inch horizontal and vertical by two corrosion processes on one printing roll surface 50 to 100 gravure cells are formed inside the heat generating part having a predetermined depth and a square having a width and length of 1 inch to form an electrode part having a somewhat deeper depth than the gravure cells of the heating part, thereby generating heat having different sizes and depths. The part and the electrode part are printed in one printing process to reduce manufacturing time, and the manufacturing method is simple to improve the price competitiveness of the product, and the electrode part and the heating part are precisely connected to each other to maintain a smooth current flow. Manufacturing method of gravure printing rolls used for heating sheet printing which can provide excellent quality products It is to provide a.

In addition, the end portion of the heat generating portion is accommodated into the electrode portion at the portion where the electrode portion and the heat generating portion intersect with each other, the end portion of the heat generating portion is formed to have a rounded shape, the printing direction, that is, the movement of the main surface of the printing roll The present invention provides a manufacturing method of a gravure printing roll used for printing a heating sheet to induce a phenomenon in the direction (cissing) to form a precise connection of the electrode portion and the heating portion to pursue a smooth current flow.

The method for manufacturing a gravure printing roll used in the heating sheet printing according to the present invention for achieving the above object is a copper plating step of forming a copper (Cu) plating layer on the surface of the hollow metal printing roll, the user desired shape An output step of outputting a film on which the design is formed, a transfer step of transferring the design formed on the film to the surface of the printing roll, and spraying a corrosion solution on the surface of the printing roll on which the design is transferred to the surface of the printing roll A corrosion step of forming a caustic section consisting of a plurality of gravure cells (a container capable of containing ink) on the surface of the printing roll in order to increase or decrease the printing force of the printing roll; In the manufacturing method of a gravure printing roll comprising a chromium plating step of forming a chromium plating layer,

The design formed in the output step is composed of an electrode unit for reliably circulating power supplied from the outside, and a heat generating unit for dissipating heat by receiving electricity circulated from the electrode unit, the electrode unit and the heating unit Consists of a number of gravure cells of different sizes,

The corrosion step may include a first corrosion process in which a caustic part of a design shape consisting of a plurality of gravure cells having a predetermined depth is formed by spraying a corrosion solution on a surface of the printing roll, and when the first corrosion process is completed, A corrosion prevention step of forming a corrosion prevention layer on a surface of the heat generating part to prevent corrosion by a corrosion solution on a heating part, and a corrosion solution sprayed on a surface of the printing roll to have a depth greater than that formed in the first corrosion process on the electrode part; It characterized in that it comprises a second corrosion process to form a depth.

In addition, the electrode portion is formed on the surface of the printing roll 50 to 100 gravure cells are formed in a square that is 1 inch (in) horizontal and vertical, the heat generating portion formed on the surface of the printing roll horizontal and vertical Is characterized in that 120 to 170 gravure cells are formed inside the square of 1 inch (in).

In addition, when the first corrosion process is completed, a plurality of gravure cells constituting the heat generating portion is corroded to have a depth of 0.0005 to 0.0015μ (micron),

When the upper limb second corrosion process is completed, a plurality of gravure cells constituting the electrode portion is characterized in that the corrosion to have a depth of 0.0005 ~ 0.002μ.

In addition, the width of the electrode portion formed on the surface of the printing roll is formed of 3 to 15mm, the width of the heat generating portion formed on the surface of the printing roll is characterized in that it is formed to 0.5 to 3mm.

In addition, the end portion of the heat generating portion is accommodated in the electrode portion at the portion where the electrode portion and the heat generating portion intersect with each other, the end of the heat generating portion is characterized in that it is formed to have a rounded shape.

As described above, according to the manufacturing method of the gravure printing roll used in the heating sheet printing according to the present invention, 120 to 170 gravure cells inside the square of 1 inch in width and length by two corrosion processes on one printing roll surface Is formed to form a heating unit having a predetermined depth and 50 to 100 gravure cells inside the square of 1 inch in width and length to form an electrode portion having a somewhat deeper depth than the gravure cells of the heating portion, different sizes and depths The heating part and the electrode part are printed in one printing process to reduce the manufacturing time, and the manufacturing method is simple to improve the product's price competitiveness, and the electrode part and the heating part are precisely connected to each other for smooth current flow. Maintaining is effective to provide a product of excellent quality.

In addition, the end portion of the heat generating portion is accommodated into the electrode portion at the portion where the electrode portion and the heat generating portion intersect with each other, the end portion of the heat generating portion is formed to have a rounded shape, the printing direction, that is, the movement of the main surface of the printing roll Induces a phenomenon of cissing in the direction to form a precise connection of the electrode portion and the heating portion has the effect of pursuing a smooth current flow.

1 is a block diagram of a method for manufacturing a roll for gravure printing used in printing a heating sheet according to an embodiment of the present invention.
FIG. 2 is a perspective view of a printing roll manufactured by a method of manufacturing a gravure printing roll used for printing a heating sheet shown in FIG. 1.
FIG. 3 is a cross-sectional view of a manufactured printing roll of a manufacturing method of a gravure printing roll used for printing a heating sheet shown in FIG. 2.
FIG. 4 is a view illustrating a heating sheet in which an electrode part and a heating part are printed through a printing roll manufactured by a method of manufacturing a gravure printing roll used for printing the heating sheet shown in FIG. 2.

A method of manufacturing a gravure printing roll used for printing a heating sheet according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 illustrate a method of manufacturing a gravure printing roll used for printing a heating sheet according to an embodiment of the present invention, Figure 1 is a gravure printing roll used for printing a heating sheet according to an embodiment of the present invention. Figure 2 is a block diagram of the manufacturing method, Figure 2 is a perspective view of a printing roll produced by the manufacturing method of the gravure printing roll used in the heating sheet printing shown in Figure 1, Figure 3 is used for printing the heating sheet shown in Figure 2 AA cross-sectional view of a printing roll manufactured in the manufacturing method of the gravure printing roll, Figure 4 is a heating roll printed in the manufacturing method of the manufacturing method of the gravure printing roll used in the heating sheet printing shown in Figure 2 heating sheet printed with the electrode portion It shows each of the drawings showing.

As shown in the drawings, the method 100 for manufacturing a gravure printing roll used for printing a heating sheet according to an embodiment of the present invention is a copper (Cu) plated layer (2) on the surface of the hollow metal printing roll (1) Copper plating step (S1) to form a, an output step of outputting a film formed a design of the shape desired by the user, and a transfer step (S2) to transfer the design formed on the film to the surface of the printing roll (1) And a caustic part composed of a plurality of gravure cells (vessels containing ink) on the surface of the printing roll 1 by spraying a corrosion solution on the surface of the printing roll 1 on which the design is transferred. And a chromium plating step (S3) of forming a chromium plating layer (3) on the surface of the printing roll (1) in order to increase and decrease the printing force of the printing roll (1). In the manufacturing method of the roll for gravure printing,

As shown in FIG. 1, the design formed in the output step S10 is performed by receiving an electrode 10 through which the power supplied from the outside is stably distributed, and electricity supplied from the electrode 10. It is configured to include a heat generating portion 20 for emitting, the electrode portion 10 and the heat generating portion 20 is composed of a plurality of gravure cells 11, 21 having different sizes.

Here, the film having a design desired by the user is transferred to the surface of the printing roll 1, in which case the film is applied to the surface of the printing roll 1 for easy transfer, and then the film is coated on the printing roll 1. It is preferable that the design including the electrode portion 10 and the heat generating portion 20 is transferred to the surface of the printing roll 1 by irradiating light after covering the surface.

As shown in FIG. 1, the corrosion step S20 includes a first corrosion process S21, a corrosion prevention process S22, and a second corrosion process S23.

As shown in FIGS. 1 to 3, the first corrosion process S21 includes a plurality of gravure cells 11 and 21 having a predetermined depth by spraying a corrosion solution on the surface of the printing roll 1. In the first corrosive process (S21), the corrosion solution is evenly sprayed on the surface of the printing roll 1 in the process of forming the wire part 30 having the design shape including the electrode unit 10 and the heat generating unit 20. A plurality of gravure cells 11 and 21 constituting the electrode unit 10 and the heat generating unit 20 are corroded to a depth of 0.0005 to 0.0015 µ.

Here, the electrode portion 10 formed on the surface of the printing roll 1 is to form 50 to 100 gravure cells 11 inside the square of 1 inch horizontal and vertical, the printing roll (1) The heat generating portion 20 formed on the surface of the horizontal and vertical is configured to a size in which 120 to 170 gravure cells 21 are formed inside the square of 1 inch.

As shown in FIG. 1, when the first corrosion process S21 is completed, the corrosion prevention step S22 is corroded by a corrosion solution to the heat generating part 20 of the printing roll 1 to deepen the depth. In order to prevent the formation of a corrosion prevention layer on the surface of the heat generating portion 20, the corrosion prevention layer is formed by the manual labor of the operator, it is preferable to use enamel synthetic resin as the corrosion prevention layer.

As shown in FIGS. 1 to 3, the second corrosion process S23 is formed by spraying a corrosion solution on the surface of the printing roll 1 in the first corrosion process S21 on the electrode part 10. In the process of forming a depth deeper than the depth, in the second corrosion process (S23) a plurality of gravure cells 11 constituting the electrode portion 10 by evenly spraying the corrosion solution on the surface of the printing roll (1). This process is to cause corrosion at a depth of 0.0005 to 0.002 mu (T).

Here, of course, the depth T of the electrode unit 10 is always larger than the depth t of the heat generating unit 20.

Corrosion liquid used in the above-mentioned corrosion step (S20) is preferably used a conventional iron chloride or copper chloride.

In addition, as shown in FIG. 4, the width W of the electrode portion 10 formed on the surface of the printing roll 1 is formed to be 3 to 15 mm, and the surface formed on the surface of the printing roll 1 is formed. The width of the heat generating unit 20 is formed to be 0.5 to 3mm, to determine a suitable width (W) of the electrode unit 10 according to the amount of power provided from the outside, the heat generating unit 20 desired by the user Of course, the width (w) of the heat generating unit 20 is determined according to the heat generating temperature.

That is, after transferring the film of the shape of the electrode portion 4a and the heat generating portion 4b to be printed on the heating sheet 4 in the output step S10 on the surface of the printing roll 1, In the corrosion step (S20), 120 to 170 gravure cells 21 are formed inside a square having a length and width of 1 inch through two corrosion processes (S21 and S23), having a depth t of 0.0005 to 0.0015 μ. 50 to 100 gravure cells 11 are formed inside the heat generating unit 20 and a square having a length and a width of 1 inch to form the electrode part 10 having a depth of 0.0005 to 0.002 μ. As shown in Fig. 4, the heating unit 4b and the electrode unit 4a having different sizes and depths are printed in one printing process to be manufactured as the heating sheet 4, thereby reducing the manufacturing time of the product. And the manufacturing method is simple, not only to improve the price competitiveness of the product, but also the heat generation The bit 4 of the electrode section (4a) and the heating unit (4b) are printed on each other precisely connection has the effect capable of providing a high quality product by maintaining a smooth flow of current.

In addition, as shown in FIG. 1, the end of the heating part 20 is accommodated into the electrode part 10 at a portion where the electrode part 10 and the heating part 20 cross each other. Although the end of the heat generating portion 20 is formed to have a rounded shape 40, in order to manufacture the heat generating sheet 4 in the printing direction, that is, the direction of movement of the main surface of the printing roll (1) Induces a clumping phenomenon (5) to form a precise connection of the electrode portion (4a) and the heating portion (4b) printed on the heating sheet (4) to pursue a smooth current flow, the electrode portion conventionally Smooth current flow is prevented due to a short circuit or a disconnection of the heat generating unit, and there is an effect of eliminating a problem in which a safety accident occurs due to sparking or burning in a portion where the electrode unit and the heat generating unit cross each other.

Method for manufacturing a roll 100 for gravure printing used in printing a heating sheet according to an embodiment of the present invention having the configuration as described above is performed as follows.

First, a uniform copper (Cu) plated layer (2) is formed on the surface of the hollow metal printing roll (1) by the usual electroplating method without the occurrence of boots or pits. (S1)

Thereafter, a design of a shape desired by a user, that is, printed on the heating sheet 4, supplies an electrode portion 4a through which the power supplied from the outside is stably distributed, and electricity distributed through the electrode portion 4a. The film which formed the design containing the heat generating part 4b which receives and radiates heat is output. (S10)

In this case, the electrode unit 10 is manufactured in a size in which 50 to 100 gravure cells 11 are formed inside a square having a width and a length of 1 inch, and the heating part 20 has a width and a length of 1 inch. 120 to 170 gravure cells 21 are formed inside the square.

Thereafter, a film having a design desired by the user is transferred to the surface of the printing roll 1, in which case the film is applied to the surface of the printing roll 1 for easy transfer, and then the film is transferred to the printing roll ( After covering the surface of 1) the light is irradiated to transfer the design including the electrode portion 10 and the heat generating portion 20 on the surface of the printing roll (1). (S2)

Thereafter, a corrosion solution is sprayed onto the surface of the printing roll 1 to have a design shape including the electrode part 10 and the heat generating part 20 which are formed of a plurality of gravure cells 11 and 21 having a predetermined depth. The wire part 30 is formed. (S21)

In this case, in the first corrosion process S21, a plurality of gravure cells 11 and 21 constituting the electrode part 10 and the heat generating part 20 are sprayed with evenly spraying a corrosion solution on the surface of the printing roll 1. It is a process to corrode with 0.0005-0.0015 micrometer depth.

Then, when the first corrosion process (S21) is completed, to the corrosion of the heat generating portion 20 of the printing roll 1 by the corrosion solution to the depth of the corrosion to the surface of the heat generating portion 20 to prevent deepening In the process of forming the anti-corrosion layer, the anti-corrosion layer is formed by a worker's hand, and the anti-corrosion layer is usually formed by using enamel synthetic resin. (S22)

Then, when the corrosion prevention step (S22) is completed, a corrosion depth is sprayed on the surface of the printing roll (1) to form a depth deeper than the depth formed in the first corrosion process (S21) on the electrode portion (10) In the second corrosive process (S23), a plurality of gravure cells 11 constituting the electrode part 10 by spraying the corrosion solution evenly on the surface of the printing roll 1 is 0.0005 to 0.002μ depth It is a process to corrode with (T). (S23)

At this time, the depth (T) of the electrode portion 10 is always made larger than the depth (t) of the heat generating portion 20, of course.

Then, in order to increase or decrease the printing force of the said printing roll 1, the chromium plating layer 3 is formed in the surface of the said printing roll 1, and manufacture is completed. (S3)

Although the present invention has been described with reference to the embodiments illustrated in the accompanying drawings, this is by way of example and not limited to the above-described embodiments, various modifications and equivalent embodiments are possible from those skilled in the art. You will understand the point. In addition, modifications by those skilled in the art can be made without departing from the scope of the present invention. Therefore, the scope of the claims in the present invention will not be defined within the scope of the detailed description, but will be defined by the following claims and their technical spirit.

1.printing roll 2.copper plated layer
3. Chrome plated layer 4. Heating sheet
4a, electrode portion 4b. Fever
5. Clustering phenomenon
10. Electrode part 11, 21.gravure cell
20. Heating part 30. Fire wire part
40. Rounding Geometry
T, t. Depth W. w. width
S1. Copper plating step S2. Transcription
S3. Chrome plating step S10. Output stage
S20. Corrosion stage S21. First Corrosion Process
S22. Corrosion Prevention Process S23. Second Corrosion Process
100. Method for manufacturing rolls for gravure printing used for heating sheet printing

Claims (5)

A copper plating step (S1) for forming a copper (Cu) plating layer 2 on the surface of the hollow metal printing roll 1,
An output step of outputting a film formed of a design having a desired shape;
A transfer step (S2) of transferring the design formed on the film to the surface of the printing roll (1),
By spraying a corrosion solution on the surface of the printing roll 1 to which the design has been transferred to form a wire portion composed of a plurality of gravure cells (vessels containing ink) on the surface of the printing roll 1 Corrosion stage,
Method for producing a gravure printing roll comprising a chromium plating step (S3) of forming a chromium plating layer 3 on the surface of the printing roll 1 to increase or decrease the printing force of the printing roll 1. To
The design formed in the output step (S10) is the electrode unit 10 is a stable distribution of power supplied from the outside, and the heat generation unit 20 for dissipating heat by receiving electricity circulated from the electrode unit 10 Is configured to include, the electrode portion 10 and the heat generating portion 20 is composed of a plurality of gravure cells (11, 21) having different sizes,
The corrosion step (S20)
A caustic part 30 having a design shape including the electrode part 10 and the heat generating part 20 formed of a plurality of gravure cells 11 and 21 having a predetermined depth by spraying a corrosion solution on the surface of the printing roll 1. ) Is the first corrosion process (S21) and
When the first corrosion process (S21) is completed, the corrosion prevention step of forming a corrosion preventing layer on the surface of the heat generating portion 20 to prevent corrosion by the corrosion solution in the heat generating portion 20 of the printing roll (1) (S22),
And a second corrosion process S23 for spraying a corrosion solution on the surface of the printing roll 1 to form a depth deeper than that formed in the first corrosion process S21 on the electrode portion 10. Method for producing a roll for gravure printing used for heating sheet printing, characterized in that.
The method of claim 1,
The electrode part 10 formed on the surface of the printing roll 1 has 50 to 100 gravure cells 11 formed inside a square having a width and length of 1 inch (in),
The heating sheet 20 formed on the surface of the printing roll 1 is a heating sheet printing, characterized in that 120 to 170 gravure cells 21 are formed inside a square having a width and length of 1 inch (in). Method for producing a roll for gravure printing used in.
The method of claim 2,
When the first corrosion process (S21) is completed, the plurality of gravure cells 21 constituting the heat generating unit 20 is corroded to have a depth (t) of 0.0005 to 0.0015μ (micron),
When the upper limb second corrosion process S23 is completed, the plurality of gravure cells 11 constituting the electrode part 10 are corroded to have a depth T of 0.0005 to 0.002 μ,
Depth (T) of the electrode portion 10 is greater than the depth (t) of the heat generating portion 20 is characterized in that the manufacturing method of the gravure printing roll used for printing the heating sheet.
The method of claim 1,
The width W of the electrode part 10 formed on the surface of the printing roll 1 is 3 to 15 mm, and the width w of the heat generating part 20 formed on the surface of the printing roll 1. Method for producing a roll for gravure printing used for printing a heating sheet, characterized in that formed to be 0.5 to 3mm.
The method of claim 1,
Where the electrode portion 10 and the heat generating portion 20 intersect each other, the end of the heat generating portion 20 has a structure that is accommodated into the inside of the electrode portion 10, the heat generating portion 20 The end of the manufacturing method of the gravure printing roll used for printing the heating sheet, characterized in that formed to have a rounded shape (40).

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